package com.atguigu.springcloud.controller;

import com.alibaba.csp.sentinel.annotation.SentinelResource;
import com.alibaba.csp.sentinel.slots.block.BlockException;
import com.atguigu.springcloud.BlockHandler.CustomerBlockHandler;
import com.atguigu.springcloud.comment.CommonResult;
import com.atguigu.springcloud.entities.Payment;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

/**
 * @author: 默苍璃
 * @date: 2021-12-29 21:21
 */
@RestController
public class RateLimitController {

    @GetMapping("/byResource")
    @SentinelResource(value = "byResource", blockHandler = "handleException")
    public CommonResult byResource() {
        return new CommonResult(200, "按资源名称限流测试OK", new Payment(2020L, "serial001"));
    }


    @GetMapping("/rateLimit/byUrl")
    @SentinelResource(value = "byResource", blockHandler = "handleException")
    public CommonResult byResource1() {
        return new CommonResult(200, "按资源名称限流测试OK", new Payment(2020L, "serial001"));
    }


    /**
     * 兜底方法
     *
     * @param exception
     * @return
     */
    public CommonResult handleException(BlockException exception) {
        return new CommonResult(444, exception.getClass().getCanonicalName() + "\t 服务不可用");
    }


    /**
     * BlockHandler
     * 自定义
     * CustomerBlockHandler <-------- 自定义限流处理类
     *
     * @return
     */
    @GetMapping("/rateLimit/customerBlockHandler")
    @SentinelResource(value = "customerBlockHandler",
            blockHandlerClass = CustomerBlockHandler.class,
            //<-----------
            blockHandler = "handlerException2")
    public CommonResult customerBlockHandler() {
        return new CommonResult(200, "按客戶自定义", new Payment(2020L, "serial003"));
    }


}